Methyl Prednisolone Related Compounds & Impurities

Methylprednisolone is a synthetic glucocorticoid with enhanced anti-inflammatory potency and reduced mineralocorticoid activity, used for inflammatory and autoimmune conditions.

Simson Pharma Limited along with its subsidiary offices Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) is a trusted manufacturer and supplier of high-quality pharmaceutical reference standards, offering a comprehensive portfolio of Methyl Prednisolone reference standards, pharmacopeial and non-pharmacopeial Methyl Prednisolone impurities, related compounds, related substances, metabolites, stable isotope-labelled compounds, deuterium labelled compounds and nitrosamine (N-NO) reference standards.

These materials support pharmaceutical research and development, product development, ANDA and DMF submissions, quality control (QC), analytical method development and validation, stability studies, impurity identification, and genotoxic impurity assessment.

Our Methyl Prednisolone-related reference standards are thoroughly characterized using advanced analytical techniques and are supplied with comprehensive Certificates of Analysis (COA) and supporting analytical data from our USFDA certified, ISO 17025 and ISO 17034 accredited Lab, to meet global regulatory expectations. EP and USP traceable reference standards can also be provided upon request, subject to availability. Simson is also a provider of EP and USP traceable standards. To ensure consistent quality and reliability, our reference standards are periodically re-tested according to established quality management procedures.

Pharmaceutical Reference Standards / Impurity Standards

Methylprednisolone Acetate
Methylprednisolone Acetate
  • CAT. No.M150000
  • CAS. No.53-36-1
  • Mol. F.C24H32O6
  • Mol. W.416.51 g/mol
  • Stock Status:Instock
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Methylprednisolone Sodium Succinate
Methylprednisolone Sodium Succinate
  • CAT. No.M150002
  • CAS. No.2375-03-3
  • Mol. F.C26H33NaO8
  • Mol. W.496.53 g/mol
  • Stock Status:Under Synthesis
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Methyl Prednisolone 17-Hemisuccinate
Methyl Prednisolone 17-Hemisuccinate
  • CAT. No.M150003
  • CAS. No.77074-42-1
  • Mol. F.C26H34O8
  • Mol. W.474.54 g/mol
  • Stock Status:Custom Synthesis
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Methyl Prednisolone Hemisuccinate
Methyl Prednisolone Hemisuccinate
  • CAT. No.M150004
  • CAS. No.2921-57-5
  • Mol. F.C26H34O8
  • Mol. W.474.54 g/mol
  • Stock Status:Instock
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Methylprednisolone
Methylprednisolone
  • CAT. No.M150006
  • CAS. No.83-43-2
  • Mol. F.C22H30O5
  • Mol. W.374.47 g/mol
  • Stock Status:Instock
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Methylprednisolone Acetate EP Impurity G
Methylprednisolone Acetate EP Impurity G
  • CAT. No.M150007
  • CAS. No.1625-11-2
  • Mol. F.C24H34O6
  • Mol. W.418.52 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone EP Impurity F
Methylprednisolone EP Impurity F
  • CAT. No.M150009
  • CAS. No.1625-39-4
  • Mol. F.C22H32O5
  • Mol. W.376.49 g/mol
  • Stock Status:Instock
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Methyl Prednisolone Impurity D
Methyl Prednisolone Impurity D
  • CAT. No.M150010
  • CAS. No.NA
  • Mol. F.C44H56O8
  • Mol. W.712.91 g/mol
  • Stock Status:Instock
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1-Tetradecyl-4-picolinium Chloride
1-Tetradecyl-4-picolinium Chloride
  • CAT. No.M150011
  • CAS. No.2748-88-1
  • Mol. F.C20H36ClN
  • Mol. W.325.96 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone Acetate EP Impurity C
Methylprednisolone Acetate EP Impurity C
  • CAT. No.M150012
  • CAS. No.58636-50-3
  • Mol. F.C22H28O5
  • Mol. W.372.46 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone Acetate EP Impurity F
Methylprednisolone Acetate EP Impurity F
  • CAT. No.M150013
  • CAS. No.NA
  • Mol. F.C24H30O5
  • Mol. W.398.49 g/mol
  • Stock Status:Instock
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Methylprednisolone Acetate EP Impurity A
Methylprednisolone Acetate EP Impurity A
  • CAT. No.M150014
  • CAS. No.93963-74-7
  • Mol. F.C24H34O6
  • Mol. W.418.52 g/mol
  • Stock Status:Instock
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Methylprednisolone EP Impurity A
Methylprednisolone EP Impurity A
  • CAT. No.M150015
  • CAS. No.91523-05-6
  • Mol. F.C22H28O5
  • Mol. W.372.45 g/mol
  • Stock Status:Instock
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6alpha-Methyl Prednisone 21-Acetate
6alpha-Methyl Prednisone 21-Acetate
  • CAT. No.M150017
  • CAS. No.115321-98-7
  • Mol. F.C24H30O6
  • Mol. W.414.49 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone EP Impurity L
Methylprednisolone EP Impurity L
  • CAT. No.M150018
  • CAS. No.6870-94-6
  • Mol. F.C22H30O4
  • Mol. W.358.47 g/mol
  • Stock Status:Under Synthesis
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6a-Methyl Prednisolone 17-Propionate
6a-Methyl Prednisolone 17-Propionate
  • CAT. No.M150020
  • CAS. No.79512-61-1
  • Mol. F.C25H34O6
  • Mol. W.430.53 g/mol
  • Stock Status:Instock
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Methylprednisolone 21-Propionate
Methylprednisolone 21-Propionate
  • CAT. No.M150021
  • CAS. No.138804-88-3
  • Mol. F.C25H34O6
  • Mol. W.430.53 g/mol
  • Stock Status:Instock
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Methylprednisolone EP Impurity H
Methylprednisolone EP Impurity H
  • CAT. No.M150022
  • CAS. No.18462-27-6
  • Mol. F.C22H30O5
  • Mol. W.374.47 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone Acetate EP Impurity K
Methylprednisolone Acetate EP Impurity K
  • CAT. No.M150023
  • CAS. No.115321-98-7
  • Mol. F.C24H30O6
  • Mol. W.414.50 g/mol
  • Stock Status:Instock
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Methylprednisolone EP Impurity G
Methylprednisolone EP Impurity G
  • CAT. No.M150025
  • CAS. No.93269-35-3
  • Mol. F.C22H28O4
  • Mol. W.356.46 g/mol
  • Stock Status:Instock
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Methylprednisolone EP Impurity C
Methylprednisolone EP Impurity C
  • CAT. No.M150026
  • CAS. No.61919-52-6
  • Mol. F.C20H26O3
  • Mol. W.314.42 g/mol
  • Stock Status:Instock
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6 alpha-Methyl Hydrocortisone 21-Hemisuccinate
6 alpha-Methyl Hydrocortisone 21-Hemisuccinate
  • CAT. No.M150027
  • CAS. No.119657-85-1
  • Mol. F.C26H36O8
  • Mol. W.476.56 g/mol
  • Stock Status:Instock
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Methylprednisolone Dimer Impurity 1
Methylprednisolone Dimer Impurity 1
  • CAT. No.M150028
  • CAS. No.NA
  • Mol. F.C44H58O9
  • Mol. W.730.93 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone EP Impurity E
Methylprednisolone EP Impurity E
  • CAT. No.M150029
  • CAS. No.229019-44-7
  • Mol. F.C21H28O4
  • Mol. W.344.44 g/mol
  • Stock Status:Instock
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Delta-9,11-methylprednisolone Acetate
Delta-9,11-methylprednisolone Acetate
  • CAT. No.M150030
  • CAS. No.93239-37-3
  • Mol. F.C24H30O5
  • Mol. W.398.49 g/mol
  • Stock Status:Limited Stock
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Methylprednisolone EP Impurity B
Methylprednisolone EP Impurity B
  • CAT. No.M150031
  • CAS. No.NA
  • Mol. F.C22H30O6
  • Mol. W.390.47 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone Ethylothopropionate
Methylprednisolone Ethylothopropionate
  • CAT. No.M150033
  • CAS. No.85198-27-2
  • Mol. F.C27H38O6
  • Mol. W.458.60 g/mol
  • Stock Status:Instock
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4-(2-((6R,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethoxy)-4-oxobutanoic acid
4-(2-((6R,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethoxy)-4-oxobutanoic acid
  • CAT. No.M150034
  • CAS. No.NA
  • Mol. F.C26H34O8
  • Mol. W.474.54 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone Acetate EP Impurity D
Methylprednisolone Acetate EP Impurity D
  • CAT. No.M150035
  • CAS. No.150899-33-5
  • Mol. F.C22H28O4
  • Mol. W.356.46 g/mol
  • Stock Status:Instock
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Methylprednisolone Acetate EP Impurity H
Methylprednisolone Acetate EP Impurity H
  • CAT. No.M150036
  • CAS. No.1968-76-9
  • Mol. F.C24H32O4
  • Mol. W.384.51 g/mol
  • Stock Status:Instock
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6b-Methylprednisolone Hemisuccinate EP Impurity F
6b-Methylprednisolone Hemisuccinate EP Impurity F
  • CAT. No.M150038
  • CAS. No.2376134-25-5
  • Mol. F.C26H34O8
  • Mol. W.474.54 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone EP Impurity D (Z-Isomer)
Methylprednisolone EP Impurity D (Z-Isomer)
  • CAT. No.M150039
  • CAS. No.NA
  • Mol. F.C22H28O4
  • Mol. W.356.46 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone EP Impurity D (E-Isomer)
Methylprednisolone EP Impurity D (E-Isomer)
  • CAT. No.M150040
  • CAS. No.NA
  • Mol. F.C22H28O4
  • Mol. W.356.46 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone Acetate
Methylprednisolone Acetate
  • CAT. No.M150041
  • CAS. No.NA
  • Mol. F.C24H32O6
  • Mol. W.416.51 g/mol
  • Stock Status:Custom Synthesis
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4-[(11,17-dihydroxy-3,20-dioxopregna-1,4-dien-21-yl)oxy]-4-oxobutanoic acid,
4-[(11,17-dihydroxy-3,20-dioxopregna-1,4-dien-21-yl)oxy]-4-oxobutanoic acid,
  • CAT. No.M150042
  • CAS. No.NA
  • Mol. F.C25H32O8
  • Mol. W.460.52 g/mol
  • Stock Status:Custom Synthesis
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11,17-dihydroxy-6-methylpregna-1,4-diene-3,20-dione
11,17-dihydroxy-6-methylpregna-1,4-diene-3,20-dione
  • CAT. No.M150043
  • CAS. No.NA
  • Mol. F.C22H30O4
  • Mol. W.358.47 g/mol
  • Stock Status:Custom Synthesis
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Prednisone Dimer impurity
Prednisone Dimer impurity
  • CAT. No.M150044
  • CAS. No.NA
  • Mol. F.C42H50O9
  • Mol. W.698.84 g/mol
  • Stock Status:Instock
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6Alpha-Methyl-21-desoxycortisol
6Alpha-Methyl-21-desoxycortisol
  • CAT. No.M150045
  • CAS. No.7055-53-0
  • Mol. F.C22H32O4
  • Mol. W.360.49 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone Impurity 8
Methylprednisolone Impurity 8
  • CAT. No.M150046
  • CAS. No.187244-73-1
  • Mol. F.C22H32O4
  • Mol. W.360.49 g/mol
  • Stock Status:Custom Synthesis
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4-[(11beta,17-dihydroxy-6alpha-methyl-3,20-dioxopregna-1,4-dien-21yl)oxy]-4-oxobutaboic acid
4-[(11beta,17-dihydroxy-6alpha-methyl-3,20-dioxopregna-1,4-dien-21yl)oxy]-4-oxobutaboic acid
  • CAT. No.M150047
  • CAS. No.NA
  • Mol. F.C26H34O8
  • Mol. W.474.54 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone EP Impurity D
Methylprednisolone EP Impurity D
  • CAT. No.M150048
  • CAS. No.1338549-02-2
  • Mol. F.C22H28O4
  • Mol. W.356.46 g/mol
  • Stock Status:Custom Synthesis
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6alpha-Methylprednisolone-17-Acetate
6alpha-Methylprednisolone-17-Acetate
  • CAT. No.M150049
  • CAS. No.NA
  • Mol. F.C24H32O6
  • Mol. W.416.51 g/mol
  • Stock Status:Custom Synthesis
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11 beta-hydroxy-6-alpha methyl-3-oxo-17 alpha-propionyl-oxy-1,4-androstadiene-17 beta carboxylic acid
11 beta-hydroxy-6-alpha methyl-3-oxo-17 alpha-propionyl-oxy-1,4-androstadiene-17 beta carboxylic acid
  • CAT. No.M150050
  • CAS. No.NA
  • Mol. F.C23H30O6
  • Mol. W.402.48 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone-17-propionate-11, 21 diacetate
Methylprednisolone-17-propionate-11, 21 diacetate
  • CAT. No.M150051
  • CAS. No.NA
  • Mol. F.C21H30O2
  • Mol. W.514.60 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone Impurity 15
Methylprednisolone Impurity 15
  • CAT. No.M150052
  • CAS. No.NA
  • Mol. F.C26H34O8
  • Mol. W.474.54 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone Impurity 16
Methylprednisolone Impurity 16
  • CAT. No.M150053
  • CAS. No.NA
  • Mol. F.C30H38O11
  • Mol. W.574.62 g/mol
  • Stock Status:Custom Synthesis
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6beta Methylprednisolone Aceponate
6beta Methylprednisolone Aceponate
  • CAT. No.M150054
  • CAS. No.NA
  • Mol. F.C27H36O7
  • Mol. W.472.58 g/mol
  • Stock Status:Custom Synthesis
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11-oxo-methylprednisolone hemisuccinate
11-oxo-methylprednisolone hemisuccinate
  • CAT. No.M150055
  • CAS. No.NA
  • Mol. F.C26H32O8
  • Mol. W.472.53 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone Methyl-hemisuccinate
Methylprednisolone Methyl-hemisuccinate
  • CAT. No.M150056
  • CAS. No.NA
  • Mol. F.C27H36O8
  • Mol. W.488.60 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone Impurity 1
Methylprednisolone Impurity 1
  • CAT. No.M150057
  • CAS. No.105500-05-8
  • Mol. F.C22H30O5
  • Mol. W.374.47 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone Impurity 2
Methylprednisolone Impurity 2
  • CAT. No.M150058
  • CAS. No.NA
  • Mol. F.C22H28O4
  • Mol. W.356.46 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone Impurity 3
Methylprednisolone Impurity 3
  • CAT. No.M150059
  • CAS. No.NA
  • Mol. F.C30H38O11
  • Mol. W.574.60 g/mol
  • Stock Status:Custom Synthesis
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Methylprednisolone Aceponate
Methylprednisolone Aceponate
  • CAT. No.M460000
  • CAS. No.86401-95-8
  • Mol. F.C27H36O7
  • Mol. W.472.57 g/mol
  • Stock Status:Instock
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Isotope Labelled Compounds

6-alpha-Methylprednisolone-D6
6-alpha-Methylprednisolone-D6
  • CAT. No.M150016
  • CAS. No.83-43-2(Unlabelled)
  • Mol. F.C22H24D6O5
  • Mol. W.380.51g/mol
  • Stock Status:Under Synthesis
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